User guide

Version 1.0 April 2013
GNU GPL INFORMATION
GNU GPL INFORMATIONGNU GPL INFORMATION
GNU GPL INFORMATION
W52P firmware contains third-party software under the GNU General Public License (GPL). Yealink uses
software under the specific terms of the GPL. Please refer to the GPL for the exact terms and conditions of
the license.
The original GPL license, source code of components licensed under GPL and used in Yealink products can
be downloaded from Yealink web site:
http://www.yealink.com/GPLOpenSource.aspx?BaseInfoCateId=293&NewsCateId=293&CateId=293.